build: Fix build failure on mingw (regression from 2019-04-02).
* gettext-tools/woe32dll/gettextlib-exports.c: Remove
gl_array_list_implementation, styled_ostream_typeinfo.
* gettext-tools/woe32dll/gettextsrc-exports.c: Remove color_mode,
color_test_mode, style_file_name.
* autogen.sh: Don't import the gnulib array-list-tests and linkedhash-list-tests
modules.
